Real-time adjustable window feature for barcode scanning and process of scanning barcode with adjustable window feature

ABSTRACT

A mobile bar code scanning device with a pinch-to-window feature includes an embedded camera and a user interface system having a visual display. The user interface system enables the user to access features of the mobile barcode scanning device with touch gestures. The mobile barcode scanning device also includes a barcode scanning application initialized by a user of the mobile barcode scanning device. The mobile barcode scanning device also includes an operating system communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system. The visual display provides a viewfinder for the embedded camera in the barcode scanning application. The user-defined pinch-to-window feature is real-time adjustable in size, orientation, and position by at least a two-point touch gesture.

CROSS-REFERENCE TO PRIORITY APPLICATION

This U.S. nonprovisional application hereby claims the benefit of U.S. Patent Application No. 62/098,072 for Real-Time Adjustable Window Feature for Barcode Scanning and Process of Scanning Barcode with Adjustable Window Feature (filed Dec. 30, 2014), which is hereby incorporated by reference in its entirety

FIELD OF THE INVENTION

The present invention relates to mobile barcode scanning devices and processes of scanning barcodes.

BACKGROUND

There is a problem common to barcode scanning systems when multiple barcodes are near each other and a user wants to scan only one of the barcodes. Most barcode decoding solutions are not capable of targeting a specific barcode within the field of view when other barcodes are in close proximity, so all of the barcodes decoding information may be returned to the business logic.

One solution to the problem relies on the business logic to discern which barcode is needed, but sometimes this may not be possible due to the similarity of the barcodes scanned.

Another solution to the problem could be to define a window within the field of view of the barcode scanning device only within which decoding can occur. However, this solution is not very flexible and the dimensions may need to be altered frequently.

Therefore, a need exists for a barcode scanning process and device which can be flexibly adjusted to scan only the desired barcode.

SUMMARY

Accordingly, in one aspect, the present invention embraces a feature on a mobile barcode scanning device for flexibly adjusting a barcode scanning window in real-time.

The mobile barcode scanning device is provided with an embedded camera and a user interface system. The user interface system is provided with a visual display and is configured to allow the user to access features of the mobile barcode scanning device with touch gestures on the visual display. The mobile barcode scanning device is further provided with a barcode scanning application. The barcode scanning application may be initialized by a user of the mobile barcode scanning device. The mobile barcode scanning device is further provided with an operating system. The operating system is communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system. The visual display provides a viewfinder for the embedded camera in the barcode scanning application.

The feature of the mobile barcode scanning device includes a user-defined graphical window overlaid on the viewfinder. The user-defined graphical window is adjustable in size, orientation, and position by at least a two-point touch gesture on the visual display by the user of the mobile barcode scanning device. The two-point touch gesture is capable of resizing, reorienting, and relocating the graphical window to a size, orientation and location of the two points in real-time, whereby the barcode to be scanned can be defined in the adjustable graphical window by the user in real-time.

In an exemplary embodiment, the two-point touch gesture on the visual display is a pinch gesture with two fingers of the user.

In another exemplary embodiment, the two-point touch gesture is a touch gesture with a pair of styli (i.e., styluses).

In yet another exemplary embodiment, the two-point touch gesture is a multi-touch gesture.

In yet another exemplary embodiment, the mobile barcode scanning device also includes a front-facing camera (i.e., a camera that faces the user) and image processing software. The operating system is communicatively coupled to the front-facing camera and the image processing software. The front-facing camera and image processing software allow the graphical window to be repositioned by an eye-tracking capability of the mobile device.

In yet another exemplary embodiment, the mobile barcode scanning device is a smartphone.

In yet another exemplary embodiment, the mobile barcode scanning device is a smartwatch.

In yet another exemplary embodiment, the mobile barcode scanning device is a tablet computer.

In yet another exemplary embodiment, the act of the user to initialize the barcode scanning operation can be a voice command, a swiping motion of a stylus on the visual display, a touch gesture on the visual display, or a physical motion of the mobile barcode scanning device.

In yet another exemplary embodiment, the barcode scanning application is configured so that a barcode can be successfully decoded if the barcode is partially encompassed by the graphical window.

In yet another exemplary embodiment, the barcode scanning application is configured so that a barcode can be successfully decoded if the barcode is fully encompassed by the graphical window.

In another aspect, the present invention embraces a process of scanning a barcode with a mobile device.

The mobile device has an embedded camera and a user interface system. The user interface system is provided with a visual display. The user interface system is configured to allow the user to access features of the mobile device with touch gestures on the visual display. The mobile barcode scanning device is also provided with a barcode scanning application and an operating system. The operating system is communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system. The visual display provides a viewfinder for the embedded camera. The viewfinder has a user-defined graphical window in which a barcode to be scanned and decoded successfully must be at least partially encompassed when the barcode scanning application begins scanning. The graphical window is adjustable in size, orientation, and position by a two-point touch gesture of a user of the mobile barcode scanning device.

The process includes the steps of (i) initializing the barcode scanning application; (ii) displaying the camera viewfinder on the visual display; (iii) superimposing the user-defined graphical window in the viewfinder; (iv) defining in real-time the size, orientation, and location of the graphical window in the viewfinder through a two-point touch gesture of the user to at least partially encompass a barcode to be scanned and decoded in the viewfinder; and (v) decoding any barcode within the graphical window.

In an exemplary embodiment, the defining step is accomplished by resizing, reorienting, and relocating the graphical window in real-time by a two-point touch gesture to a size, orientation, and location of the two points. Thus, the barcode to be scanned can be defined in the adjustable graphical window by the user in real-time.

In another exemplary embodiment, the two-point touch gesture is a two-finger pinch gesture.

In another exemplary embodiment, at least part of the defining step is accomplished by an eye-tracking capability of the mobile device. The mobile device is further provided with a front-facing camera and image processing software. The operating system is communicatively coupled to the front-facing camera and the image processing software. The eye-tracking capability is carried out by a cooperation between the front-facing camera and image processing software. For example, the eye-tracking capability can help relocate the graphical window in real-time.

In yet another exemplary embodiment, the barcode scanning application is configured so that a barcode to be scanned and successfully decoded must be fully encompassed in the graphical window in the viewfinder.

In another exemplary embodiment, the mobile barcode scanning device may be a smartphone, a smartwatch, or a tablet computer.

In another exemplary embodiment, the initializing step is accomplished by a physical act of the user. The physical act of the user to initialize the barcode scanning operation can be a voice command, a swiping motion of a stylus on the visual display, a touch gesture on the visual display, or a physical motion of the mobile barcode scanning device.

In another exemplary embodiment, the barcode scanning application is provided with application logic. The application logic performs required data processing of the barcode scanning application. The initializing step is accomplished by the application logic.

The foregoing illustrative summary, as well as other exemplary objectives and/or advantages of the invention, and the manner in which the same are accomplished, are further explained within the following detailed description and its accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 depicts a block diagram of a mobile barcode scanning device in accordance with the present invention.

FIG. 2A and FIG. 2B schematically depict the adjustable user-defined graphical window in use on mobile barcode scanning device in accordance with the present invention.

FIG. 3 schematically depicts another embodiment the adjustable user-defined graphical window in use on mobile barcode scanning device in accordance with the present invention.

FIG. 4 depicts a flowchart of a process of scanning a barcode with a mobile barcode scanning device according to the present invention.

DETAILED DESCRIPTION

The present invention will now be described more fully hereinafter with reference to the accompanying drawings in which exemplary embodiments of the invention are shown. The invention, however, may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, like numbers refer to like elements throughout.

In one aspect, the present invention embraces a feature on a mobile barcode scanning device for adjusting a user-defined barcode scanning window in real-time.

Referring now to FIG. 1, an exemplary mobile barcode scanning device 10 is provided with an embedded camera 11, a user interface system 12, which includes a visual display 18, a barcode scanning application 13, and an operating system 14. The user interface system 12 is configured to allow the user to access features of the mobile barcode scanning device 10 with touch gestures on the visual display 18. The operating system 14 communicatively links the embedded camera 11, the user interface system 12, and the barcode scanning application 13. The barcode scanning application 13 may be initialized by an act of a user of the mobile barcode scanning device 10. The mobile barcode scanning device 10 may be provided with a system bus 15 that assists the operating system 14 to be communicatively linked to other components. There may also be other interface circuits and components, such as memory (not shown) and the like.

As discussed previously, the barcode scanning application 13 may be initialized by an act of a user of the mobile barcode scanning device 10. The act of the user may include a voice command, a swiping motion of a stylus on the visual display 18, a touch gesture on the visual display 18, a physical motion of the mobile barcode scanning device 10, or a combination of any of these. Alternatively, the barcode scanning application 13 may be provided with application logic 25, which performs required data processing of the barcode scanning application 13. The initialization of the barcode application 13 may be accomplished by the application logic 25.

The mobile barcode scanning device 10 may also include a front-facing camera 16 and image processing software 17 to provide eye-tracking capability to the mobile barcode scanning device 10. The operating system 14 is communicatively coupled to the front-facing camera 16 and the image processing software 17.

The mobile barcode scanning 10 device may be a smartphone, a smartwatch, or a tablet.

Referring now to FIGS. 2A and 2B, in an exemplary embodiment of the inventive feature the mobile barcode scanning device 10, which is shown in the block diagram of FIG. 1, is schematically illustrated in FIG. 2A before the graphical window 20 is adjusted for size, position, and orientation, and in FIG. 2B after the graphical window 20 is adjusted for size, position, and orientation. FIG. 2A shows the mobile barcode scanning device 10 with a visual display 18 and viewfinder 19 on the visual display 18 after the bar code application (not shown) has been initialized. A graphical window 20 is in the center of the viewfinder 19. Two barcodes 22 and 23 are in close proximity to each other in the viewfinder 19. The graphical window 20 encompasses the entire first barcode 22 and a portion of the adjacent, second barcode 23. In FIGS. 2A and 2B, barcode 23 is the barcode to be scanned and decoded. A user 43 is ready to adjust the graphical window 20.

Referring now to FIG. 2B, the user 43 has moved the graphical window 20 to the right side of the viewfinder 19, and resized the graphical window 20 to encompass only the barcode 23 to be decoded. The user 43 uses a two-point touch gesture 21 (e.g., a pinch gesture 21) to move and resize the graphical window 20 in real-time, such that the graphical window 20 is sized, positioned, and oriented at the location of the two-point touch gesture 21.

The two-point touch gesture 21 may be a pinch gesture 21 as shown in the FIG. 2B, but alternatively may be a two-point gesture 21 made with stylus (not shown) or a multipoint gesture (not shown).

The barcode 23 to be decoded may be fully encompassed by the graphical window 20 as shown in the FIG. 2B or may be partially encompassed by the graphical window 20 depending on how the barcode scanning application (not shown) is configured.

Referring now to FIG. 3, in another exemplary embodiment of the inventive feature, the mobile barcode scanning device 10 includes a front-facing camera 16 and image processing software (not shown in the Figure.) The front-facing camera 16 and the image processing software cooperate to allow the mobile barcode scanning device 10 to have eye-tracking capability as is known in the art for smart mobile devices. The user (not shown) can reposition the graphical window 20 with eye movement. The user's eye 40A in a first orientation looks at the graphical window 20 at a first position 20A. Subsequently, the user focuses his eye 40B to a second position on the viewfinder 19 where the user wants to relocate the graphical window 20 from the initial position 20A to at a second position 20B. In FIG. 3, the user moves the graphical window 20 from the center of the viewfinder 19 from a first position 20A, where the graphical window 20 encompasses barcode 22 and a portion of barcode 23, to a second position 20B on the right side of the viewfinder 19, effectively moving the graphical window 20 so that barcode 22 is no longer in the graphical window 20 and that the barcode 23 is fully encompassed in the graphical window 20. In this way, the graphical window 20 can be relocated on the viewfinder 19 in real-time by eye-tracking capability of the mobile barcode scanning device 10.

In another aspect, the present invention embraces a process of scanning a barcode with a mobile barcode scanning device with a real-time, user-defined adjustable window.

In an exemplary embodiment, depicted as a flowchart in FIG. 4, a process 30 of scanning a barcode with a mobile device is provided. An exemplary mobile device used in the process has been described and illustrated in FIGS. 1-3, specifically with the feature of the user-defined graphical window in which a barcode to be scanned and decoded must be at least partially encompassed when the barcode scanning application begins scanning. The graphical window is adjustable in size, orientation, and position by a two-point touch gesture of a user of the mobile device. The process 30 includes the following steps: initializing the barcode scanning application 31; displaying the camera viewfinder on the visual display 32; superimposing the user-defined graphical window in the viewfinder 33; defining in real-time the size, orientation, and location of the graphical window in the viewfinder through a two-point touch gesture of the user to at least partially encompass a barcode to be scanned and decoded in the viewfinder 34; and decoding any barcode within the graphical window 35.

The defining step 34 is accomplished by resizing, reorienting, and relocating the graphical window with a two-point touch gesture 36. The two-point touch gesture can resize, reorient, and relocate the graphical window to a size, orientation, and location of the two points in real-time, whereby the barcode to be scanned and decoded can be defined in the adjustable graphical window by the user in real-time. The two-point touch gesture can be a pinch gesture with two fingers, a multi-touch gesture, or a two-point gesture with a stylus.

The defining step 34 can be accomplished, at least in part, by an eye-tracking capability of the mobile device. The eye-tracking capability is provided through the cooperation of a front-facing camera and image processing software. Relocating the graphical window may be accomplished by the eye tracking capability of the mobile device as described previously with respect to FIG. 3.

The initializing step 31 may be accomplished by a physical act of the user, such as a voice command, a swiping motion of a stylus on the visual display, a touch gesture on the visual display, a physical motion of the mobile barcode scanning device, or a combination thereof.

Alternatively, the barcode scanning application may be provided with application logic. The application logic performs required data processing of the barcode scanning application. For example, the initializing step 31 may be accomplished by the application logic.

To supplement the present disclosure, this application incorporates entirely by reference the following patents, patent application publications, and patent applications:

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In the specification and/or figures, typical embodiments of the invention have been disclosed. The present invention is not limited to such exemplary embodiments. The use of the term “and/or” includes any and all combinations of one or more of the associated listed items. The figures are schematic representations and so are not necessarily drawn to scale. Unless otherwise noted, specific terms have been used in a generic and descriptive sense and not for purposes of limitation. 

1. A feature on a mobile barcode scanning device, wherein: the mobile bar code scanning device is provided with (i) an embedded camera, (ii) a user interface system, the user interface system being provided with a visual display, the user interface system being configured to allow the user to access features of the mobile barcode scanning device with touch gestures on the visual display, (iii) a barcode scanning application, the barcode scanning application being initialized by an act of a user of the mobile barcode scanning device, and (iv) an operating system, the operating system communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system, and wherein the visual display provides a viewfinder for the embedded camera in the barcode scanning application; and the feature comprises a user-defined graphical window overlaid on the viewfinder, the user-defined graphical window being adjustable in size, orientation, and position by at least a two-point touch gesture on the visual display by the user of the mobile barcode scanning device, the two-point touch gesture being capable of resizing, reorienting, and relocating the graphical window to a size, orientation, and location of the two points in real-time such that the barcode to be scanned can be defined in the adjustable graphical window by the user in real-time.
 2. The feature of claim 1, wherein the two-point touch gesture on the visual display is a pinch gesture with two fingers of the user.
 3. The feature of claim 1, wherein the two-point touch gesture is a touch gesture with a pair of styli.
 4. The feature of claim 1, wherein the two-point touch gesture is a multi-touch gesture.
 5. The feature of claim 1, wherein the mobile device comprises a front-facing camera and image processing software, the operating system is communicatively coupled to the front-facing camera and the image processing software, and the graphical window can be repositioned by an eye-tracking capability of the mobile device, the eye-tracking capability being carried out by a cooperation between the front-facing camera and image processing software.
 6. The feature of claim 1, wherein the mobile barcode scanning device is a smartphone.
 7. The feature of claim 1, wherein the mobile barcode scanning device is a smartwatch.
 8. The feature of claim 1, wherein the mobile device is a tablet computer.
 9. The feature of claim 1, wherein the act of the user to initialize the barcode scanning operation includes a voice command, a swiping motion of a stylus on the visual display, a touch gesture on the visual display, and/or a physical motion of the mobile barcode scanning device.
 10. The feature of claim 1, wherein the barcode scanning application is configured so that a barcode can be successfully decoded if the barcode is partially encompassed by the graphical window.
 11. The feature of claim 1, wherein the barcode scanning application is configured so that a barcode can be successfully decoded if the barcode is fully encompassed by the graphical window.
 12. A process of scanning a barcode with a mobile device, comprising: providing a mobile device having (i) an embedded camera, (ii) a user interface system, the user interface system being provided with a visual display, the user interface system being configured to allow the user to access features of the mobile device with touch gestures on the visual display, (iii) a barcode scanning application, and (iv) an operating system, the operating system communicatively coupled to the embedded camera, the barcode scanning application, and the user interface system, wherein the visual display provides a viewfinder for the embedded camera, wherein the viewfinder provides a user-defined graphical window in which a barcode to be scanned and decoded successfully must be at least partially encompassed when the barcode scanning application begins scanning, and wherein the graphical window is adjustable in size, orientation, and position by a two-point touch gesture of a user of the mobile device; initializing the barcode scanning application; displaying the camera viewfinder on the visual display; superimposing the user-defined graphical window in the viewfinder; defining in real-time the size, orientation, and location of the graphical window in the viewfinder through a two-point touch gesture of the user to at least partially encompass a barcode to be scanned and decoded in the viewfinder; and decoding any barcode within the graphical window.
 13. The process of claim 12, wherein the defining step is accomplished by resizing, reorienting, and relocating the graphical window in real-time by a two-point touch gesture to a size, orientation, and location of the two points, such that the barcode to be scanned can be defined in the adjustable graphical window by the user in real-time.
 14. The process of claim 13, wherein the two-point touch gesture is a two-finger pinch gesture.
 15. The process of claim 12, wherein the defining step is accomplished at least in part by an eye-tracking capability of the mobile device that comprises a front-facing camera and image processing software, wherein the operating system is communicatively coupled to the front-facing camera and the image processing software, and wherein the eye-tracking capability is carried out by a cooperation between the front-facing camera and image processing software.
 16. The process of claim 15, wherein the defining step is accomplished by relocating the graphical window via the eye-tracking capability of the mobile device.
 17. The process of claim 12, wherein the barcode scanning application is configured so that a barcode to be scanned and successfully decoded must be fully encompassed in the graphical window in the viewfinder.
 18. The process of claim 12, wherein the mobile barcode scanning device is a smartphone, a smartwatch, or a tablet computer.
 19. The process of claim 12, wherein the initializing step is accomplished by a physical act of the user comprising a voice command, a swiping motion of a stylus on the visual display, a touch gesture on the visual display, or a physical motion of the mobile barcode scanning device.
 20. The process of claim 12, wherein the barcode scanning application is provided with application logic, the application logic performing required data processing of the barcode scanning application, and wherein the initializing step is accomplished by the application logic. 